HP2-H36 · Question #42

What is the smallest capacity DIMM supported in HP Z440, Z640, and Z840 workstations?

The correct answer is D. 4GB. 4GB (option D) is the smallest DIMM capacity supported in the HP Z440, Z640, and Z840 workstations, as these are professional-grade platforms designed for high-performance workloads using DDR4 ECC Registered memory - a technology tier where 4GB is the practical floor for…

HP Workstation Hardware Components and Architecture

Question

Options

A2MB
B4MB
C2GB
D4GB

How the community answered

(49 responses)

A
6% (3)
B
2% (1)
C
2% (1)
D
90% (44)

Explanation

4GB (option D) is the smallest DIMM capacity supported in the HP Z440, Z640, and Z840 workstations, as these are professional-grade platforms designed for high-performance workloads using DDR4 ECC Registered memory - a technology tier where 4GB is the practical floor for available modules.

Options A (2MB) and B (4MB) are not valid DIMM capacities in any modern context; megabyte-sized DIMMs belong to ancient SIMM/early DIMM eras from the 1990s, not current workstation hardware. Option C (2GB) is plausible-sounding but incorrect - while 2GB DDR3 modules exist for consumer platforms, the Z-series workstations use registered ECC (RDIMM/LRDIMM) modules where 4GB is the minimum commercially available size.

Memory tip: Associate "Z4/Z6/Z8 = 4GB min" - the workstation family numbers (4, 6, 8) share the same digit as the minimum DIMM size (4GB), making it easy to recall during the exam.

Topics

#DIMM capacity#HP Z440#HP Z640/Z840#memory specification

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